Recently, a reader wrote to tell me about the big relief he felt when he bought a Layer 3 MPLS VPN service. With such a site-to-site service, one option is to peer the WAN routers at customer sites ...

AT&T is offering users another flavor of VPN that the carrier says is more economical than traditional frame relay networks and typically more economical than customer premises equipment-based IP VPNs ...

I always wanted to create a headline without words. This is my chance. You have heard of Multi-Protocol Label Switching (MPLS), but Virtual Private LAN Service (VPLS) may be new to you. MPLS has been ...